Oven



FIG. 1 is a perspective view of an embodiment of an oven;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The portions of the oven shown in broken line form no part of theclaimed design.

CLAIM The ornamental design for an oven, as shown and described.